A: Davey probably not. It's just gravel.
A: No. We would advise to using the Step 1 and 2 paver sands for installing pavers.
A: Yes. The All Purpose Gravel sounds appropriate for this use.
A: Yes. The gravel can stay in bag. Should you have any concerns or questions regarding Sakrete products. You can contact us directly at 1-866-SAKRETE (866-725-7383).